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Firlakuza [10]
3 years ago
15

Find the value of x. I need help thank you! :)​

Mathematics
1 answer:
kondor19780726 [428]3 years ago
8 0

Answer:

47

Step-by-step explanation:

Hope this helps. Let me know if you have any questions.

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The industrial and agricultural revolutions resulted in a decline in __________.
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Divide 55 in a ratio 3 : 7<br> Need help please
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3+7=10
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5.5 x 3=16.5
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: In Ms. Perron’s class, 40% of the students are boys. There are 10 boys in the class. What is the total number of students in M
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idk

Step-by-step explanation:

8 0
3 years ago
Lamar is solving the equation x2−12x=−6 by completing the square. Which shows Lamar's next step and the solution to the equation
Levart [38]
Completing the square is a process to find the solutions, or the x-values, to a quadratic equation. This method can only work if it is in the format: x^2 + bx = c
In this equation, the b value is -12 and the c value is -6. The process for completing the square goes like this:

x^2 + bx + (b/2)^2 = c + (b/2)^2

Now let’s solve the equation above using this method.

Step 1: x^2 - 12x + (-12/2)^2 = -6 + (-12/2)^2

Step 2: x^2 - 12x + (-6)^2 = -6 + (-6)^2

Step 3: x^2 - 12x + 36 = -6 + 36

Step 4: x^2 - 12x + 36 = 30

Now, to factor it. After doing the process until now, the left side of the equation can ALWAYS be in the format: (x + a)^2

Step 5: x^2 - 12x + 36 can be factored in this format as (x - 6)^2

Step 6: (x - 6)^2 = 30

Step 7: x - 6 = √30

Step 8: x = 6 ±√30

4 0
2 years ago
a square swimming pool has a cement sidewalk around it. The sidewalk is the same width all the way around. The outside perimeter
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Answer:

175 square feet

Step-by-step explanation:

the area of the whole thing is 400 ft. (20 x 20=400)

i got the 20 from the perimeter b/c 20+20+20+20=80

then subtract the area of the pool from 400 to get 175.

6 0
3 years ago
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